Parameterization Of Absolute Measuring Systems - Siemens SINUMERIK 840Di sl Commissioning Manual

Machine data
Table 11-20 Linear measuring systems: Machine data
Number Name
Axisspecific ($MA_ ... )
30240 ENC_TYPE[n]
30242 ENC_IS_INDEPENDENT[n]
30300 IS_ROT_AX
31000 ENC_IS_LINEAR[n]
31010 ENC_GRID_POINT_DIST[n]
31030 LEADSCREW_PITCH
31040 ENC_IS_DIRECT[n]
31050 DRIVE_AX_RATIO_DENOM[n]
31060 DRIVE_AX_RATIO_NUMERA[n]
32110 ENC_FEEDBACK_POL[n]
11.5.6

Parameterization of absolute measuring systems

Encoder types
The following encoder types are currently supported:
● Single-turn absolute value encoder
● Multi-turn absolute value encoder
with EnDat protocol and incremental sinusoidal encoder signals A and B, e.g. Haidenhain
EQN 1325.
EQN 1325
The absolute value encoder EQN 1325 from Heidenhain has the following properties:
● EnDat protocol
● PPR count: 2048 = 2
● Positions/revolution: 8192 (13 bits)
● Differentiable revolutions: 4096 (12 bits)
● Encoder signals A/B: Sin/cos 1 Vpp
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Name/remarks
Actual-value acquisition modes
1 = incremental signal generator
Encoder is independent
Rotary axis
Direct measuring system (linear scale)
Distance between reference marks on linear scales
Leadscrew pitch
Encoder is connected directly to the machine
Denominator load gearbox
Numerator load gearbox
Sign actual value (feedback polarity)
(encoder fine resolution)
11
NC Commissioning with HMI Advanced
11.5 Axes and spindles
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